The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent attackers to cause a denial of service (process hang) via crafted XML data.
Conclusion & alert: CVE-2015-8035 is rated Exploit Available (57.8/100): CVSS Low severity, with medium exploitation likelihood (EPSS 3.20%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.19% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.01% | 3.20% | +2.19% |
| 2 | 2026-05-12 | 1.31% | 1.01% | -0.31% |
| 3 | 2026-05-11 | — | 1.31% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.6 | 2.0 | LOW |
|
4.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-8035 not yet assigned priority: Debian including 1 source packages (libxml2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2015-8035 |
gentoo
|
normal | CVE-2015-8035: 1 GLSA(s) (201701-37), 1 atom(s) (dev-libs/libxml2); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-8035 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-8035 |
suse
|
low | CVE-2015-8035 severity low: SUSE including 368 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 514 product×package rows across 70 product lines (HPE Helion OpenStack 8, SUSE Liberty Linux 7, … (70 product lines)): Fixed 256, Known Affected 157, Known Not Affected 101. | https://www.suse.com/security/cve/CVE-2015-8035/ |
ubuntu
|
medium | CVE-2015-8035 medium priority: Ubuntu including 1 source packages (libxml2), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): not-affected 3, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2015-8035 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.9.1 | cpe:2.3:a:xmlsoft:libxml2:2.9.1:*:*:*:*:*:*:* |
| apple | iphone_os | <= 9.2.1 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | mac_os_x | <= 10.11.3 | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
| apple | tvos | <= 9.1 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | watchos | <= 2.1 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |