UBUNTU-CVE-2026-77014 (CVE-2026-77014)
Vulnerability from osv_ubuntu – Published: 2026-08-20 09:16 – Updated: 2026-09-17 22:32 – Source website
VLAI
Details
A flaw was found in libsoup's SoupServer HTTP Range header processing. The sort_ranges() comparator in soup-message-headers.c truncates a 64-bit subtraction result to 32-bit int, flipping the sign for range offsets differing by more than INT_MAX. This causes silent omission of requested byte ranges from HTTP 206 Partial Content responses on resources larger than approximately 2 GB.
Severity
5.3 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
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{
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"binary_version": "2.52.2-1ubuntu0.3+esm7"
},
{
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},
{
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}
]
},
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},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"2.52.1-1",
"2.52.2-1",
"2.52.2-1ubuntu0.1",
"2.52.2-1ubuntu0.2",
"2.52.2-1ubuntu0.3",
"2.52.2-1ubuntu0.3+esm1",
"2.52.2-1ubuntu0.3+esm2",
"2.52.2-1ubuntu0.3+esm3",
"2.52.2-1ubuntu0.3+esm4",
"2.52.2-1ubuntu0.3+esm5",
"2.52.2-1ubuntu0.3+esm6",
"2.52.2-1ubuntu0.3+esm7"
]
},
{
"ecosystem_specific": {
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},
{
"binary_name": "libsoup-gnome2.4-1",
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},
{
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}
]
},
"package": {
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},
"ranges": [
{
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{
"introduced": "0"
}
],
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}
],
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"2.62.1-1ubuntu0.3",
"2.62.1-1ubuntu0.4",
"2.62.1-1ubuntu0.4+esm1",
"2.62.1-1ubuntu0.4+esm2",
"2.62.1-1ubuntu0.4+esm3",
"2.62.1-1ubuntu0.4+esm4",
"2.62.1-1ubuntu0.4+esm5",
"2.62.1-1ubuntu0.4+esm6",
"2.62.1-1ubuntu0.4+esm7",
"2.62.1-1ubuntu0.4+esm8"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gir1.2-soup-2.4",
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},
{
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},
"package": {
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},
"ranges": [
{
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],
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}
],
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]
},
{
"ecosystem_specific": {
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{
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},
"package": {
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"name": "libsoup2.4",
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},
"ranges": [
{
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"2.74.2-3ubuntu0.6",
"2.74.2-3ubuntu0.7",
"2.74.2-3ubuntu0.8"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gir1.2-soup-3.0",
"binary_version": "3.0.7-0ubuntu1+esm8"
},
{
"binary_name": "libsoup-3.0-0",
"binary_version": "3.0.7-0ubuntu1+esm8"
},
{
"binary_name": "libsoup-3.0-common",
"binary_version": "3.0.7-0ubuntu1+esm8"
},
{
"binary_name": "libsoup-3.0-tests",
"binary_version": "3.0.7-0ubuntu1+esm8"
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]
},
"package": {
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"name": "libsoup3",
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},
"ranges": [
{
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{
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}
],
"type": "ECOSYSTEM"
}
],
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"3.0.4-3",
"3.0.5-1",
"3.0.7-0ubuntu1",
"3.0.7-0ubuntu1+esm1",
"3.0.7-0ubuntu1+esm2",
"3.0.7-0ubuntu1+esm3",
"3.0.7-0ubuntu1+esm4",
"3.0.7-0ubuntu1+esm5",
"3.0.7-0ubuntu1+esm6",
"3.0.7-0ubuntu1+esm7",
"3.0.7-0ubuntu1+esm8"
]
},
{
"ecosystem_specific": {
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},
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},
{
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{
"binary_name": "libsoup2.4-common",
"binary_version": "2.74.3-6ubuntu1.8"
},
{
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"binary_version": "2.74.3-6ubuntu1.8"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libsoup2.4",
"purl": "pkg:deb/ubuntu/libsoup2.4@2.74.3-6ubuntu1.8?arch=source\u0026distro=noble"
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"ranges": [
{
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}
],
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],
"versions": [
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]
},
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},
{
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},
"package": {
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},
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},
{
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{
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{
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{
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{
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]
},
"package": {
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"name": "libsoup2.4",
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},
"ranges": [
{
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],
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"versions": [
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]
}
],
"aliases": [],
"details": "A flaw was found in libsoup\u0027s SoupServer HTTP Range header processing. The sort_ranges() comparator in soup-message-headers.c truncates a 64-bit subtraction result to 32-bit int, flipping the sign for range offsets differing by more than INT_MAX. This causes silent omission of requested byte ranges from HTTP 206 Partial Content responses on resources larger than approximately 2 GB.",
"id": "UBUNTU-CVE-2026-77014",
"modified": "2026-09-17T22:32:27Z",
"published": "2026-08-20T09:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-77014"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77014"
},
{
"type": "REPORT",
"url": "https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/550"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-77014"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2520143"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-77014"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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